261054010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{9587}}^1$

素因数の和:9990

約数の個数: 32

約数和(自身を含む): 538462080

約数和(自身を除く): 277408070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 389, 778, 1945, 2723, 3890, 5446, 9587, 13615, 19174, 27230, 47935, 67109, 95870, 134218, 335545, 671090, 3729343, 7458686, 18646715, 26105401, 37293430, 52210802, 130527005, 261054010]

約数ペア:

[(1, 261054010), (2, 130527005), (5, 52210802), (7, 37293430), (10, 26105401), (14, 18646715), (35, 7458686), (70, 3729343), (389, 671090), (778, 335545), (1945, 134218), (2723, 95870), (3890, 67109), (5446, 47935), (9587, 27230), (13615, 19174)]